Mexico fans support their team against Martinique during a CONCACAF Gold Cup match at Sports Authority Field at Mile High on July 14, 2013 in Denver, Colorado.

Mexico fans support their team against Martinique during a CONCACAF Gold Cup match at Sports Authority Field at Mile High on July 14, 2013 in Denver, Colorado.

Photo: Justin Edmonds, Getty Images

Mexico fans support their team against Martinique during a CONCACAF... Photo-4925944.66496 - SFGate

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Fans of Belize cheer during a game against Costa Rica during the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. Costa Rica defeated Belize 1-0.

Fans of Belize cheer during a game against Costa Rica during the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. Costa Rica defeated Belize 1-0.

Photo: George Frey, Getty Images

Fans of Belize cheer during a game against Costa Rica during the... Photo-4925937.66496 - SFGate

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A US soccer fan sports a mohawk with national flag colours during the Gold Cup soccer match against Cuba in Sandy, Utah, on July 13, 2013, where the US defeated Cuba 4-1.

A US soccer fan sports a mohawk with national flag colours during the Gold Cup soccer match against Cuba in Sandy, Utah, on July 13, 2013, where the US defeated Cuba 4-1.

Photo: FREDERIC J. BROWN, AFP/Getty Images

A US soccer fan sports a mohawk with national flag colours during... Photo-4925941.66496 - SFGate

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Fans of Costa Rica cheer during a game against Belize during the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. Costa Rica defeated Belize 1-0.

Fans of Costa Rica cheer during a game against Belize during the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. Costa Rica defeated Belize 1-0.

Photo: George Frey, Getty Images

Fans of Costa Rica cheer during a game against Belize during the... Photo-4925939.66496 - SFGate

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Taboola Gallery Frame Item-85307.66496 - SFGate

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Fans of the United States celebrate during a game against Cuba during the second half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. The U.S. defeated Cuba 4-1.

Fans of the United States celebrate during a game against Cuba during the second half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. The U.S. defeated Cuba 4-1.

Photo: George Frey, Getty Images

Fans of the United States celebrate during a game against Cuba... Photo-4925935.66496 - SFGate

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A fan of the United States cheers during a game against Cuba during the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. The U.S. defeated Cuba 4-1.

A fan of the United States cheers during a game against Cuba during the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. The U.S. defeated Cuba 4-1.

Photo: George Frey, Getty Images

A fan of the United States cheers during a game against Cuba during... Photo-4925931.66496 - SFGate

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Fans of the United States cheer during a game against Cuba in the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. The U.S. defeated Cuba 4-1.

Fans of the United States cheer during a game against Cuba in the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. The U.S. defeated Cuba 4-1.

Photo: George Frey, Getty Images

Fans of the United States cheer during a game against Cuba in the... Photo-4925934.66496 - SFGate

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Fans of Belize cheer during a game against Costa Rica during the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. Costa Rica defeated Belize 1-0.

Fans of Belize cheer during a game against Costa Rica during the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. Costa Rica defeated Belize 1-0.

Photo: George Frey, Getty Images

Fans of Belize cheer during a game against Costa Rica during the... Photo-4925938.66496 - SFGate

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Taboola Gallery Frame Item-85307.66496 - SFGate

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Fans of Belize cheer during a game against Costa Rica during the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. Costa Rica defeated Belize 1-0.

Fans of Belize cheer during a game against Costa Rica during the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. Costa Rica defeated Belize 1-0.

Photo: George Frey, Getty Images

Fans of Belize cheer during a game against Costa Rica during the... Photo-4925940.66496 - SFGate

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A fan of the United States cheers during a game against Cuba during the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. The U.S. defeated Cuba 4-1.

A fan of the United States cheers during a game against Cuba during the first half of a CONCACAF Gold Cup match July 13, 2013 at Rio Tinto Stadium in Sandy, Utah. The U.S. defeated Cuba 4-1.

Photo: George Frey, Getty Images

A fan of the United States cheers during a game against Cuba during... Photo-4925936.66496 - SFGate

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A Mexico fan wearing a luche libre mask holds up a scarf in the game with Panama during the first round of the 2013 CONCACAF Gold Cup at the Rose Bowl on July 7, 2013 in Pasadena, California. Panama won 2-1.

A Mexico fan wearing a luche libre mask holds up a scarf in the game with Panama during the first round of the 2013 CONCACAF Gold Cup at the Rose Bowl on July 7, 2013 in Pasadena, California. Panama won 2-1.